Follow-up:
Follow-up lab work showed near-normal Hgb (12 gm/dL), normal bilirubin, and liver enzymes. The patient did not have any residual dyspnea. There was no jaundice, and his hematuria had resolved. He was discharged from the clinic with clear instructions about his diagnosis and to avoid fava beans in the future. He was taking aspirin for primary prevention of cardiovascular disease and was advised to discontinue it to avoid any oxidative stress.